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Carrier 38BYC048 Control Board
The Carrier 38BYC048 control board is created to command the gas valve, the igniter, all the various sensors as well as the blower all together. Your furnace or AC will not activate unless this important circuit board is installed as it should be according to the manufacturer. The proper control board will have to be compatible with both the brand and specific model of the unit in question. You must be careful when you are deciding on a replacement because of the many variances of heating and cooling systems.
Red flags your control board is in dire need of a replacement
- System has flashing code indicated somewhere on the circuit board
- The whole system has to be powered down and back up a lot for the system to operate once again
- AC unit or heating unit does not do anything well
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